Interface dynamics in a block copolymer melt and the effect of noise

Shigeyuki Komura, Junichi Fukuda, Glenn C. Paquette

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The role of fluctuations in the disorder-lamellar transition in a block copolymer melt is investigated using a cell dynamical system simulation by measuring the propagation velocity of the interface between ordered and disordered regions. Our results strongly suggest that near the transition temperature, in the absence of noise, the velocity increases with quench depth as [Formula Presented] [[Formula Presented] is the reduced temperature measured from the transition temperature [Formula Presented]], while in the presence of noise, the velocity increases as [Formula Presented]. These results lead us to conclude that the addition of noise causes the disorder-lamellar transition to change from second order to first order. This conclusion is consistent with the prediction of Brazovskii Sov. Phys. JETP 41 85 1975.

Original languageEnglish
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume53
Issue number6
DOIs
Publication statusPublished - Jan 1 1996
Externally publishedYes

Fingerprint

Interface Dynamics
Block Copolymers
block copolymers
Disorder
transition temperature
disorders
systems simulation
propagation velocity
System Simulation
dynamical systems
Dynamical system
Propagation
Fluctuations
First-order
causes
Prediction
Cell
predictions
cells
temperature

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Condensed Matter Physics
  • Physics and Astronomy(all)

Cite this

Interface dynamics in a block copolymer melt and the effect of noise. / Komura, Shigeyuki; Fukuda, Junichi; Paquette, Glenn C.

In: Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Vol. 53, No. 6, 01.01.1996.

Research output: Contribution to journalArticle

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